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GB/T 40124-2021Technical requirements and test methods of regenerated sulphuric acid (English PDF)

再生硫酸技术要求及试验方法

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

May 21, 2021

Implementation date

December 1, 2021

Scope

GB/T 40124-2021 is the English-translated version of 再生硫酸技术要求及试验方法.

GB/T 40124-2021 covers regenerated sulphuric acid, meaning industrial waste sulphuric acid that has been treated by concentration, cracking regeneration, medium-temperature carbonization, chemical oxidation, extraction or similar methods until it meets the requirements of industrial use.

It specifies the technical requirements the product has to meet, set out in a table of indicators, together with the test methods, inspection rules, marking, accompanying documents, packaging, transport, storage and safety.

Its normative references include GB/T 534 on industrial sulphuric acid, GB/T 6680 on sampling liquid chemical products and HJ 501 on total organic carbon in water.

It applies to regenerated acid produced by treating industrial waste sulphuric acid. It was issued on 21 May 2021 and has applied since 1 December 2021.

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Document preview — GB/T 40124-2021

National Standard of the People's Republic of China

ICS: 71.060.30
Classification: G 11

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Technical requirements

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules of Standardization Documents" Drafting.

1 Scope

This document specifies the technical requirements, test methods, inspection rules, signs, accompanying documents, packaging, transportation, storage, and safety of recycled sulfuric acid.

This document applies to regenerated sulfuric acid produced after treatment of industrial waste sulfuric acid.

2 Normative references

The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated quotations Only the version corresponding to that date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document.

GB 190 Packaging Mark of Dangerous Goods

GB/T 534-2014 Industrial sulfuric acid

GB/T 601 Preparation of Standard Titration Solution for Chemical Reagents

GB/T 602 Preparation of standard solutions for impurity determination of chemical reagents

Preparation of preparations and products used in GB/T 603 chemical reagent test method

GB/T 6680 General Rules for Sampling of Liquid Chemical Products

GB/T 6682 Analytical laboratory water specifications and test methods

GB/T 8170 Numerical rounding rules and the expression and determination of limit values

HJ501 Water quality-Determination of total organic carbon. Combustion oxidation-non-dispersive infrared absorption method

3 Terms and definitions

The following terms and definitions apply to this document.

3.1 Regenerated sulfuric acid

Industrial waste sulfuric acid is treated by methods such as concentration, cracking regeneration, medium temperature carbonization, chemical oxidation, extraction, etc., to meet the requirements of industrial applications. product.

4 Technical requirements

The technical indicators of regenerated sulfuric acid should meet the requirements of Table 1.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

HJ501

Cited by

GB/T 36380-2025Treatment and disposal specification for waste sulfuric acid from industrial manufacture

Similar standards

GB/T 320-2025|GB/T 534-2024|GB/T 7744-2023|GB/T 7746-2023|GB/T 41881-2022|GB/T 13549-2016

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